altrettanto bedeutet auf Englisch

equally▼(in an equal manner)
adverb
[UK: ˈiː.kwə.li] [US: ˈiː.kwə.li]

likewise▼(the same to you)
adverb
[UK: ˈlaɪk.waɪz] [US: ˈlaɪk.waɪz]John is tall and likewise strong. = John è alto e altrettanto forte.